怠工: slow down; go slow 短语和例子消极怠工 be slack in work; remain passive and slow down
放慢: slow; delay 短语和例子汽车过桥时要放慢速度。 slow up while the car is over the bridge. 车速被放慢到每小时20英里。 the speed has been slowed down to 20 miles an hour. 经济增长的速度现已放慢。 the increase of economy has now slowe